Villarreal vs. Liverpool in pictures

Click through the gallery for the best action snaps from Villarreal vs. Liverpool

Click through the gallery for the best action snaps from Villarreal vs. Liverpool

He has signed Schalke defender Joel Matip to come in during the summer and the German is in the market for cover in central midfield.

But in the meantime he has to find a way to shore up his side in their remaining four league matches to prevent their domestic season fizzling out.

"When you build up a team, you start with the defence - that's how it is," said Klopp.

"It keeps you in the game and gives you the opportunity to score once and win the game. I'm never happy with conceding goals, to be honest.

"It's clear it's how we build up a team and that's one of the biggest targets for the next season - not for the rest of this season but for next season and then to build up a stability in this part of the game.

"We had different problems in this and we solved a lot of them already. Set-pieces were the worst, to be honest. It's a part of the game where we needed to improve and we did.